Class: Gibbler::Digest

Inherits:
String
  • Object
show all
Defined in:
lib/gibbler.rb

Overview

Gibbler::Digest

A tiny subclass of String which adds a few digest related convenience methods.

Instance Method Summary collapse

Methods inherited from String

#__gibbler_revert!, #clear

Methods included from History

#commit, #find_long, #gibbler_commit, #gibbler_find_long, #gibbler_history, #gibbler_history?, #gibbler_object, #gibbler_revert!, #gibbler_stamp, #gibbler_valid?, #history, #history?, mutex, #object, #revert!, #stamp, #valid?

Methods included from String

#__gibbler, included

Methods included from Object

#__gibbler, #digest_cache, #freeze, #gibbled?, #gibbler, #gibbler_debug, gibbler_fields, #gibbler_fields, included

Instance Method Details

#==(ali) ⇒ Object

Returns true when ali matches self

"kimmy".gibbler == "c8027100ecc54945ab15ddac529230e38b1ba6a1"  # => true
"kimmy".gibbler == "c8027100"                                  # => false



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# File 'lib/gibbler.rb', line 112

def ==(ali)
  return true if self.to_s == ali.to_s
  false
end

#===(g) ⇒ Object

Returns true when g matches one of: self, short, shorter, tiny

"kimmy".gibbler === "c8027100ecc54945ab15ddac529230e38b1ba6a1" # => true
"kimmy".gibbler === "c8027100"                                 # => true
"kimmy".gibbler === "c80271"                                   # => true
"kimmy".gibbler === "c802"                                     # => true



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# File 'lib/gibbler.rb', line 124

def ===(g)
  return true if [to_s, short, shorter, tiny].member?(g.to_s)
  false
end

#base(base = Gibbler.default_base) ⇒ Object 



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# File 'lib/gibbler.rb', line 61

def base(base=Gibbler.default_base)
  self.class.new(self.to_i(Gibbler.default_base).to_s(base))
end

#base36 ⇒ Object 



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# File 'lib/gibbler.rb', line 65

def base36
  base(36)
end

#short ⇒ Object

Returns the first 8 characters of itself (the digest).

e.g. 

"kimmy".gibbler         # => c8027100ecc54945ab15ddac529230e38b1ba6a1
"kimmy".gibbler.short   # => c8027100



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# File 'lib/gibbler.rb', line 81

def short
  shorten(8)
end

#shorten(len = 20) ⇒ Object

Shorten the digest to the given (optional) length.



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# File 'lib/gibbler.rb', line 70

def shorten(len=20)
  self[0..len-1]
end

#shorter ⇒ Object

Returns the first 6 characters of itself (the digest).

e.g. 

"kimmy".gibbler         # => c8027100ecc54945ab15ddac529230e38b1ba6a1
"kimmy".gibbler.shorter # => c80271



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# File 'lib/gibbler.rb', line 92

def shorter
  shorten(6)
end

#tiny ⇒ Object

Returns the first 4 characters of itself (the digest).

e.g. 

"kimmy".gibbler         # => c8027100ecc54945ab15ddac529230e38b1ba6a1
"kimmy".gibbler.tiny    # => c802



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# File 'lib/gibbler.rb', line 103

def tiny
  shorten(4)
end

#to_i(base = nil) ⇒ Object

Return an integer assuming base is Gibbler.default_base.



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# File 'lib/gibbler.rb', line 51

def to_i(base=nil)
  base ||= Gibbler.default_base
  super(base)
end

#to_s(base = nil) ⇒ Object

Returns a string. Takes an optional base.



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# File 'lib/gibbler.rb', line 57

def to_s(base=nil)
  base.nil? ? super() : super().to_i(Gibbler.default_base).to_s(base)
end